darkcomet | 8de3e8407e2ac685ef9a5d097e209276233ab23db8f5e74bad252b22b251e591

General

Target

9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe
Size

1.1MB
MD5

9436dd2ce44f2311d7cf032852a831ab
SHA1

a6c9c7a87d3c7c3848ee6707dca56544596799f3
SHA256

8de3e8407e2ac685ef9a5d097e209276233ab23db8f5e74bad252b22b251e591
SHA512

de8dc4c5d6a2b47bdaba985bbab2b653c860c73d7651cb65fdf669f970243c1f898d3314b5d27215ce3747ba072ecda792a9bfa6a1c7b397d2fa4514d40b7a11
SSDEEP

12288:jjPG0Ond0VO5iICxcNVM82OKQhfAvhIcQjFDk/yXcrnvMftGowccQyYE33lEFUk0:LwJTwZAuTUlErCUkHNFpwzkvNY

Score

10^/10

darkcomet discovery rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Executes dropped EXE 1 IoCs

pid	Process
1736	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4396 set thread context of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 1736 set thread context of 3280	1736	vbc.exe	88

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1736	vbc.exe
Token: SeSecurityPrivilege	1736	vbc.exe
Token: SeTakeOwnershipPrivilege	1736	vbc.exe
Token: SeLoadDriverPrivilege	1736	vbc.exe
Token: SeSystemProfilePrivilege	1736	vbc.exe
Token: SeSystemtimePrivilege	1736	vbc.exe
Token: SeProfSingleProcessPrivilege	1736	vbc.exe
Token: SeIncBasePriorityPrivilege	1736	vbc.exe
Token: SeCreatePagefilePrivilege	1736	vbc.exe
Token: SeBackupPrivilege	1736	vbc.exe
Token: SeRestorePrivilege	1736	vbc.exe
Token: SeShutdownPrivilege	1736	vbc.exe
Token: SeDebugPrivilege	1736	vbc.exe
Token: SeSystemEnvironmentPrivilege	1736	vbc.exe
Token: SeChangeNotifyPrivilege	1736	vbc.exe
Token: SeRemoteShutdownPrivilege	1736	vbc.exe
Token: SeUndockPrivilege	1736	vbc.exe
Token: SeManageVolumePrivilege	1736	vbc.exe
Token: SeImpersonatePrivilege	1736	vbc.exe
Token: SeCreateGlobalPrivilege	1736	vbc.exe
Token: 33	1736	vbc.exe
Token: 34	1736	vbc.exe
Token: 35	1736	vbc.exe
Token: 36	1736	vbc.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 4396 wrote to memory of 1736	4396	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	87
PID 1736 wrote to memory of 3280	1736	vbc.exe	88
PID 1736 wrote to memory of 3280	1736	vbc.exe	88
PID 1736 wrote to memory of 3280	1736	vbc.exe	88
PID 1736 wrote to memory of 3280	1736	vbc.exe	88
PID 1736 wrote to memory of 3280	1736	vbc.exe	88

C:\Users\Admin\AppData\Local\Temp\9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:3280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\vbc.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/1736-5-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1736-12-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1736-10-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1736-8-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1736-15-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/3280-14-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/4396-0-0x00000000747C2000-0x00000000747C3000-memory.dmp

Filesize
4KB

Download
memory/4396-1-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/4396-2-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download
memory/4396-13-0x00000000747C0000-0x0000000074D71000-memory.dmp

Filesize
5.7MB

Download

Analysis

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